| Vendor | Spec | Unit | Price | Currency | Date |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 534.41 | USD | 20250922 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 123.76 | USD | 20250922 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 534.41 | USD | 20250922 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 534.57 | USD | 20250918 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 123.8 | USD | 20250918 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 123.9 | USD | 20250916 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 535.01 | USD | 20250916 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 123.85 | USD | 20250915 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 534.79 | USD | 20250915 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 535.07 | USD | 20250912 |